Adage Capital Management, L.P. - 31 Dec 2024 SCHEDULE 13G Report for Karyopharm Therapeutics Inc. Common Stock, par value $0.0001 per share (KPTI)

Filing Manager
Adage Capital Management, L.P.
Reporting Manager
Adage Capital Management, L.P.
Security
Karyopharm Therapeutics Inc. Common Stock, par value $0.0001 per share
Symbol
KPTI
Shares outstanding
126,468,243 shares
Disclosed Ownership
6,551,055 shares
Ownership
5.2%
Form type
SCHEDULE 13G
Filing time
12 Feb 2025, 09:36:58 UTC
Date of event
31 Dec 2024
SEC
View on sec.gov

Sponsored

Quoteable Key Fact

"Adage Capital Management, L.P. disclosed 5.2% ownership in Karyopharm Therapeutics Inc. Common Stock, par value $0.0001 per share (KPTI) on 31 Dec 2024."

Quick Takeaways

  • Adage Capital Management, L.P. filed SCHEDULE 13G for Karyopharm Therapeutics Inc. Common Stock, par value $0.0001 per share (KPTI).
  • Disclosed ownership: 5.2%.
  • Date of event: 31 Dec 2024.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 12 Feb 2025, 09:36.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Adage Capital Management, L.P. 5.2% 6,551,055 0 6,551,055 /s/ Robert Atchinson By: Adage Capital Partners LLC, its General Partner, By: Robert Atchinson, its Managing Member
Robert Atchinson 5.2% 6,551,055 0 6,551,055 /s/ Robert Atchinson Robert Atchinson, individually
Phillip Gross 5.2% 6,551,055 0 6,551,055 /s/ Phillip Gross Phillip Gross, individually

Sponsored